Curved finite elements and shell theories with particular reference to the buckling of a circular arch
- 1 January 1979
- journal article
- research article
- Published by Wiley in International Journal for Numerical Methods in Engineering
- Vol. 14 (5) , 774-779
- https://doi.org/10.1002/nme.1620140511
Abstract
The choice of strain‐displacement relations to fomulate curved finite elements for the geometrically nonlinear analysis of deep thin shells of general shape is discussed. It is clearly demonstrated on a simple arch problem how the strain‐displacement relations can affect the buckling pressure and it is concuded that inconsistent expressions should be avoided.Keywords
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